com.espertech.esper.pattern.observer
Interface ObserverEventEvaluator

All Known Implementing Classes:

EvalObserverStateNode

public interface ObserverEventEvaluator

For use by EventObserver instances to place an event for processing/evaluation.

Method Summary

PatternAgentInstanceContext	getContext()
void	observerEvaluateFalse(boolean restartable) Indicate that the observer turned permanently false.
void	observerEvaluateTrue(MatchedEventMap matchEvent, boolean quitted) Indicate an event for evaluation (sub-expression the observer represents has turned true).

Method Detail

observerEvaluateTrue

void observerEvaluateTrue(MatchedEventMap matchEvent,
                          boolean quitted)

Indicate an event for evaluation (sub-expression the observer represents has turned true).

Parameters:

matchEvent - is the matched events so far

quitted - whether the observer quit, usually "true" for most observers

observerEvaluateFalse

void observerEvaluateFalse(boolean restartable)

Indicate that the observer turned permanently false.

Parameters:

restartable -

getContext

PatternAgentInstanceContext getContext()